Global Patent Index - EP 2380529 A1

EP 2380529 A1 20111026 - Method for operating a knee orthotic

Title (en)

Method for operating a knee orthotic

Title (de)

Verfahren zum Steuern einer Knieorthese

Title (fr)

Procédé de commande d'une orthèse de genou

Publication

EP 2380529 A1 20111026 (DE)

Application

EP 11004660 A 20090520

Priority

  • EP 09749498 A 20090520
  • DE 102008024748 A 20080520

Abstract (en)

The knee orthosis comprises a thigh rail (2) having a fastening structure (21) for fixing to a thigh, a lower leg rail (3), which is pivotally coupled to the thigh rail by a joint mechanism (6), a fastening structure for fastening to the lower leg, and an actuator device (7) between the thigh rail and the lower leg rail. The fastening points of the actuator on the thigh rail and the lower leg rail and the center of rotation of the joint mechanism form a triangle. The fastening points are arranged on the rails. The knee orthosis comprises a thigh rail (2) having a fastening structure (21) for fixing to a thigh, a lower leg rail (3), which is pivotally coupled to the thigh rail by a joint mechanism (6), a fastening structure for fastening to the lower leg, and an actuator device (7) between the thigh rail and the lower leg rail. The fastening points of the actuator on the thigh rail and the lower leg rail and the center of rotation of the joint mechanism form a triangle. The fastening points are arranged on the rails in such a way that the connecting line between the fastening points extends perpendicular to a connecting line between a fastening point and the center of rotation in an angular position of the knee in which the lower leg is bent at an angle of 0-90[deg] relative to the thigh. The actuator device is a hydraulic damper or a linearly causing damper. The valves or control device of the actuator device are arranged in walking direction before and/or behind a piston-cylinder arrangement. The actuator device is arranged in walking direction behind the rails or arranged on the fastening point over a storage with self-cutting axes or a ball joint storage. The axes are aligned vertically to each other. The actuator device is arranged in the lateral plain around an angle of theta . The foot part comprises a dorsal spring on which or in which a sensor is arranged for detecting the effective powers in the spring. A knee moment sensor and/or a knee angle sensor are arranged on the orthosis. The absolute angle sensor is arranged for detecting the orientation of the rails in the area at the orthosis. A control arrangement is intended for changing the damping resistance dependent upon the sensor signal. The actuator device and/or the fastening points of the actuator unit are arranged in the lateral plain. The movement axis of the joint arrangement is determined by mid point of the ball joint. The rails are connected together over a cardan- or ball joint. An independent claim is included for a method for adjusting a knee orthosis.

Abstract (de)

Knieorthese mit einer Oberschenkelstruktur (2), insbesondere Oberschenkelschiene, die eine Befestigungseinrichtung (21) zur Festlegung an einem Oberschenkel aufweist, einer Unterschenkelstruktur (3), insbesondere Unterschenkelschiene, die über eine Gelenkeinrichtung (6) mit der Oberschenkelstruktur (2) verschwenkbar gekoppelt ist und eine Befestigungseinrichtung (31) zur Festlegung an einem Unterschenkel aufweist, und einer Aktuatoreinheit (7) zwischen der Oberschenkel- und der Unterschenkelstruktur (2, 3), wobei die Befestigungspunkte (72, 73) der Aktuatoreinheit (7) an den Ober- und Unterschenkelstrukturen (2, 3) und der Drehpunkt der Gelenkeinrichtung (6) ein Dreieck ausbilden und die Befestigungspunkte (72, 73) dergestalt an den Strukturen (2, 3) angeordnet sind, dass in einer Kniewinkelstellung im Bereich einer Unterschenkelbeugung zwischen 0° und 90° zu dem Oberschenkel die Verbindungslinie zwischen den Befestigungspunkten senkrecht auf einer Verbindungslinie (IH) zwischen einem Befestigungspunkt (73) und dem Drehpunkt (6) steht, dadurch gekennzeichnet, dass die Aktuatoreneinheit (7) und/oder die Befestigungspunkte (72, 73) der Aktuatoreneinheit (7) in der Lateralebene verschiebbar oder verschwenkbar gelagert sind.

IPC 8 full level

A61F 5/01 (2006.01)

CPC (source: EP US)

A61F 5/0111 (2013.01 - EP US); A61F 5/0123 (2013.01 - EP US); A61F 5/0125 (2013.01 - EP US); A61F 2005/0188 (2013.01 - US); A61F 2005/0197 (2013.01 - US)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2009140956 A2 20091126; WO 2009140956 A3 20100114; AT E534355 T1 20111215; DE 102008024748 A1 20091203; EP 2276433 A2 20110126; EP 2276433 B1 20111123; EP 2380529 A1 20111026; EP 2380529 B1 20140115; US 2011071452 A1 20110324; US 2015230962 A1 20150820; US 9022965 B2 20150505

DOCDB simple family (application)

DE 2009000734 W 20090520; AT 09749498 T 20090520; DE 102008024748 A 20080520; EP 09749498 A 20090520; EP 11004660 A 20090520; US 201514701089 A 20150430; US 99379809 A 20090520